Lazily start the one process-wide CPython interpreter. Both the guard and the GIL-release are intentionally leaked: finalizing embedded CPython at static destruction is fragile, and releasing the GIL lets every entry point re-acquire it with py::gil_scoped_acquire from whatever thread calls.
| 28 | // destruction is fragile, and releasing the GIL lets every entry point re-acquire |
| 29 | // it with py::gil_scoped_acquire from whatever thread calls. |
| 30 | void ensureInterpreter() { |
| 31 | static const bool inited = []() { |
| 32 | #ifdef PJ_PYTHON_HOME |
| 33 | // The embedded interpreter must find the stdlib (encodings, etc.) at startup. |
| 34 | // Point it at the CPython prefix baked at build time, unless the user already |
| 35 | // set PYTHONHOME. Dev-oriented: deployment would bundle Python. |
| 36 | // setenv is POSIX-only (MSVC lacks it); use _putenv_s on Windows. Set only if |
| 37 | // absent, mirroring setenv's overwrite=0 — sdk::getEnv is the portable read. |
| 38 | if (!sdk::getEnv("PYTHONHOME")) { |
| 39 | #ifdef _WIN32 |
| 40 | _putenv_s("PYTHONHOME", PJ_PYTHON_HOME); |
| 41 | #else |
| 42 | ::setenv("PYTHONHOME", PJ_PYTHON_HOME, 1); |
| 43 | #endif |
| 44 | } |
| 45 | #endif |
| 46 | new py::scoped_interpreter(); // NOLINT: leaked on purpose (never finalize) |
| 47 | new py::gil_scoped_release(); // NOLINT: leaked on purpose (GIL handed to callers) |
| 48 | return true; |
| 49 | }(); |
| 50 | (void)inited; |
| 51 | } |
| 52 | |
| 53 | std::string attrString(const py::object& obj, const char* name, const std::string& fallback) { |
| 54 | if (!py::hasattr(obj, name)) { |
no outgoing calls
no test coverage detected